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<jats:p>When a spent rocket booster slammed into the frigid, inky shadow of a lunar crater last month, it sent up a slightly damp plume of dust, scientists with NASA's Lunar Crater Observation and Sensing Satellite mission reported last week.</jats:p>

<jats:p>Attempting to rein in Japan's yawning budget deficit, a government task force last week recommended tens of millions of dollars in cuts in science spending in the fiscal year beginning next April that would hit everything from research grants to big-ticket items such as a next-generation supercomputer.</jats:p>

<jats:p> Two new astronomical results—one in this week's issue of <jats:italic>Science</jats:italic> and the other published online this month in <jats:italic>Nature—</jats:italic> suggest that cosmic rays acquire their tremendous velocities from exploding stars. </jats:p>

<jats:p>World production of conventional oil is likely to peak before 2030 and could reach its limits before 2020, a major report from a new voice in the debate over oil depletion warns. In view of the daunting task of weaning the world's transportation off oil, the risk of a peak before 2030 "needs to be given serious consideration," the report says.</jats:p>

<jats:p>Within a couple of years, a scientific team hopes to start clinical trials using cells from the first swine herd in the country specially bred to supply insulin-secreting pancreatic islets for people with diabetes. But they face immunological and regulatory challenges, as well as the challenge of overcoming public aversion to the idea.</jats:p>

<jats:p> <jats:italic>Science</jats:italic> NOW this week reported that meditation halves the risk of heart disease, empathy is in our genes, holes can block light, and new neurons make room for new memories, among other stories. </jats:p>